Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÊÕ¼¯µ½µÄjava ÕýÔòÑéÖ¤

Java´úÂ룺
import java.util.regex.*;
public final class RegExpValidator
{
/**
* ÑéÖ¤ÓÊÏä
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean isEmail(String str)
{
String regex = "^([\\w-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([\\w-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
return match(regex, str);
}

/**
* ÑéÖ¤IPµØÖ·
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean isIP(String str)
{
String num = "(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)";
String regex = "^" + num + "\\." + num + "\\." + num + "\\." + num + "$";
return match(regex, str);
}
/**
* ÑéÖ¤ÍøÖ·Url
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsUrl(String str)
{
String regex = "http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?";
return match(regex, str);
}
/**
* ÑéÖ¤µç»°ºÅÂë
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsTelephone(String str)
{
String regex = "^(\\d{3,4}-)?\\d{6,8}$";
return match(regex, str);
}

/**
* ÑéÖ¤ÊäÈëÃÜÂëÌõ¼þ(×Ö·ûÓëÊý¾Ýͬʱ³öÏÖ)
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsPassword(String str)
{
String regex = "[A-Za-z]+[0-9]";
return match(regex, str);
}

/**
* ÑéÖ¤ÊäÈëÃÜÂ볤¶È (6-18λ)
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ


Ïà¹ØÎĵµ£º

java IO

JavaÓïÑÔµÄÊäÈëÊä³ö¹¦ÄÜÊÇÊ®·ÖÇ¿´ó¶øÁé»îµÄ£¬ÃÀÖв»×ãµÄÊÇ¿´ÉÏÈ¥ÊäÈëÊä³öµÄ´úÂë²¢²»ÊǺܼò½à£¬ÒòΪÄãÍùÍùÐèÒª°ü×°Ðí¶à²»Í¬µÄ¶ÔÏó¡£ÔÚJavaÀà¿âÖУ¬IO²¿·ÖµÄÄÚÈÝÊǺÜÅÓ´óµÄ£¬ÒòΪËüÉæ¼°µÄÁìÓòºÜ¹ã·º:±ê×¼ÊäÈëÊä³ö£¬ÎļþµÄ²Ù×÷£¬ÍøÂçÉϵÄÊý¾ÝÁ÷£¬×Ö·û´®Á÷£¬¶ÔÏóÁ÷£¬zipÎļþÁ÷....±¾ÎĵÄÄ¿µÄÊÇΪ´ó¼Ò×öÒ»¸ö¼òÒªµÄ½éÉÜ¡£
¡¡¡¡Á ......

Java Reflect ·´Éä»úÖÆ ѧϰ±Ê¼Ç [ÍòÄÜtoString·½·¨]

ÀûÓÃJava Reflect»úÖÆ±àдÍòÄÜtoString()·½·¨:
 
 
package com.accp.test.filed;

import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

publ ......

Java ¸´Ï°±Ê¼Ç_µÚ4Ìì

Êý¾Ý¿âÁ¬½Ó
              Á÷ÊÇÖ¸Ò»Á¬´®Á÷¶¯µÄ×Ö·û£¬ÊÇÒÔÏȽøÏȳöµÄ·½Ê½´¦ÀíµÄ¡£
              ¹¹ÔìÒ»¸öÎļþÊäÈëÁ÷¶ÔÏó£ºInputStream o = new FileInputStream(“a.txt&rdquo ......

Java ¸´Ï°±Ê¼Ç_µÚ5Ìì

doGet()ºÍdoPost()
       JspÒ³ÃæµÄform±êÇ©ÀïµÄmethodÊôÐÔΪgetʱµ÷ÓÃdoget(0,
       Ϊpostʱµ÷ÓÃdoPost()
Jsp 
       JspÒýÇæ(Tomcat)ÏȽ«jspÎļþת»»Îªservlet£¬È»ºóµ÷ÓÃJava±àÒëÆ÷javac.exe¶Ô
   ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ